[FFmpeg-devel] MP3 file that crashes ffmpeg
Mon May 7 13:35:26 CEST 2007
On Mon, May 07, 2007 at 09:54:28AM +0200, Reimar Doeffinger wrote:
> On Mon, May 07, 2007 at 02:17:50AM +0200, Diego Biurrun wrote:
> > On Sun, May 06, 2007 at 06:28:36PM +0200, Michael Niedermayer wrote:
> > > On Sun, May 06, 2007 at 04:20:22PM +0200, Reimar D?ffinger wrote:
> > > > On Sun, May 06, 2007 at 04:13:41PM +0200, Reimar D?ffinger wrote:
> > > > [...]
> > > > > Attached (obviously wrong) patch fixes the crash for me.
> > > >
> > > > And this patch will at least not break anything that was working before,
> > > > but the code is probably wrong anyway.
> > >
> > > fixed differently (num_sprite_wraping points isnt allowed to be >3 in mpeg4
> > > with gmc)
> > Note that the file still does not play even though the crash is gone ..
> Yes, MP3 files that do not start with MP3-frames only get a quarter of
> the max. autodetection score, whereas anything that looks even only
> remotely like raw MPEG4 gets one half, thus ffmpeg it as MPEG4 -
> for some reason it does not give a bonus to mp3 for the extension (at
> least that's where I think the difference to mplayer -demuxer lavf comes
yes there are several bugs related to this report
1. the file extension if its recognized should always give a minimum score
2. the mpeg4 probe should be improved
ill look at 2. and leave 1. for a volunteer ...
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
I count him braver who overcomes his desires than him who conquers his
enemies for the hardest victory is over self. -- Aristotle
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